A solid sphere of mass m and radius R is rotating
about its diameter. A solid cylinder of the same
mass and same radius is also rotating about its
geometrical axis with an angular speed twice that
of the sphere. The ratio of their kinetic energies of
rotation (Esphere / Ecylinder) will be
[NEET (Phase-2) 2016]
(1) 2:3
(2) 1:5
(3) 1:4
(4) 3 : 1
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